Geremia Taglialatela d44e64e496 Exclude colors that do not pass WCAG 2.0 AA level (#70) ...

Green and Yellow are too light and impact on user’s ability to read
the Captcha. Deep Purple and Pink are better choices

Ref: https://www.w3.org/TR/WCAG/#contrast-minimum

2018-12-14 13:19:53 +08:00

..

rucaptcha

Exclude colors that do not pass WCAG 2.0 AA level (#70)

2018-12-14 13:19:53 +08:00